linux-kernel - Re: [ANNOUNCE] RT for v2.6.34.8 now available.

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Date:	Mon, 07 Mar 2011 12:41:13 -0800
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>,
	"linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
	linux-kernel@...r.kernel.org, lwn@....net
Subject: Re: [ANNOUNCE] RT for v2.6.34.8 now available.

On 03/07/2011 12:00 PM, Fernando Lopez-Lezcano wrote:
> On 03/06/2011 10:51 PM, Fernando Lopez-Lezcano wrote:
>> On 03/04/2011 02:24 PM, Paul Gortmaker wrote:
>>> As a value add to the 2.6.34 long term release, I'm happy to also
>>> announce the availability of 2.6.34-RT.
>>>
>>> You can find it in the v2.6.34-rt branch at:
>>>
>>> git://git.kernel.org/pub/scm/linux/kernel/git/paulg/rt-patches.git
>>
>> Great! Many thanks... Actually, impressive work.
>>
>> I'm trying to integrate/build it into my Fedora based rt packages for
>> Planet CCRMA. Warning: I'm doing this on top of the 2.6.34.8-68 fc13
>> koji build, so rt is patched on top of the additional Fedora patches for
>> that build (with a few trivial tweaks to patch cleanly). So I don't know
>> if the following issues are due to that...
>
> Caveat above still applies...
...
> - EeePC netbook, Fedora 13, Intel Mobile 945GME graphics: X does not start
> - Lenovo laptop, fedora 14, Intel 9xx graphics (at home): X does not start
> These last two share Intel graphics and the problem seems to be the
> same, something to do with dri.

This is what I'm getting (dmesg|grep i915):

i915 0000:00:02.0 PCI INT A -> GSI 16 (level, low) -> IRQ 16
i915 0000:00:02.0 setting latency timer to 64
i915 0000:00:02.0 PCI INT A disabled
i915: probe of 0000:00:02.0 failed with error -5

Same kernel w/o rt...:

i915 0000:00:02.0 PCI INT A -> GSI 16 (level, low) -> IRQ 16
i915 0000:00:02.0 setting latency timer to 64
[drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0

So, some problem with irq processing?
Where should I go look?
-- Fernando
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